Canadian environmental activist Cullis-Suzuki

TOKYO, Japan - Severn Cullis-Suzuki, a Canadian environmental activist, holds a press conference at the U.N. Conference on Sustainable Development, or Rio+20, in Rio de Janeiro, on June 21, 2012. Cullis-Suzuki made a legendary speech at the 1992 U.N. Earth Summit in Rio de Janeiro when she was a 12-year-old.